CN102261137B - Ultrathin stone polyurethane composite board and preparation method thereof - Google Patents

Ultrathin stone polyurethane composite board and preparation method thereof Download PDF

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Publication number
CN102261137B
CN102261137B CN 201110195086 CN201110195086A CN102261137B CN 102261137 B CN102261137 B CN 102261137B CN 201110195086 CN201110195086 CN 201110195086 CN 201110195086 A CN201110195086 A CN 201110195086A CN 102261137 B CN102261137 B CN 102261137B
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polyurethane
rpuf
layer
mould
stone
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CN102261137A (en
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魏振波
王希安
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SHANDONG HUADELONG BUILDING MATERIALS TECHNOLOGY CO LTD
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SHANDONG HUADELONG BUILDING MATERIALS TECHNOLOGY CO LTD
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Abstract

The invention provides an ultrathin stone polyurethane composite board and relates to a heat-preserving board consisting of various materials and used for heat preservation of an external wall. The ultrathin stone polyurethane composite board has high fire resistance and a hard polyurethane foam plastic layer has stable foaming and curing reaction time. The ultrathin stone polyurethane composite board consists of a stone layer, a B1-grade nonflammable polyurethane foam plastic layer and a glass magnesium fireproof board layer from top to bottom, wherein the B1-grade nonflammable hard polyurethane foam plastic consists of a polyurethane modified white material and a polyurethane black material with the mass ratio of 1:(1-1.8); the polyurethane modified white material consists of the following components in part by mass: 5 to 15 parts of expanded graphite with the grain size of 150 to 300 meshes, 1 to 6 parts of aluminium hydroxide with the grain size of 100 to 500 meshes, 2 to 10 parts of ammonium polyphosphate and 0.5 to 1 part of zinc borate; the molecular formula of the ammonium polyphosphate is (NH4PO3)n; and the weight average polymerization degree n of the ammonium polyphosphate is 500 to 1,200.

Description

Superthin stone Rigid foam polyurethane and preparation method thereof
Technical field
The present invention relates to the warming plate that a kind of external wall outer insulation is used, particularly relate to the warming plate that a kind of external wall outer insulation that is made of a variety of materials is used.
Background technology
RPUF is a kind of heat-barrier material, and its coefficient of thermal conductivity is little, compressive strength is higher, chemical stability is good, acid and alkali-resistance.But the fire resistance of existing RPUF mostly is B2, B3 level, and not flame retardant products is arranged on the market a lot, and B1 level RPUF is almost blank in market.Fire resistance is that B2, B3 level or not fire-retardant RPUF are used in and have certain fire prevention hidden danger on the building heat preservation.
Summary of the invention
The invention provides that a kind of fireproof performance is good, the RPUF layer has stable foaming and the superthin stone Rigid foam polyurethane of curing reaction time and preparation method thereof.
A kind of superthin stone Rigid foam polyurethane is made up of RPUF layer and the glass magnesium fire prevention flaggy of stone material layer, the difficult combustion of B1 level from top to bottom; Wherein, the RPUF of the difficult combustion of B1 level is 1 by mass ratio: the black material of polyurethane-modified white material (1-1.8) and polyurethane is formed; Polyurethane-modified white material is made up of the following component by mass parts:
Particle diameter is 150-300 purpose expanded graphite 5-15 part;
Particle diameter is 100-500 purpose aluminium hydroxide 1-6 part;
APP 2-10 part;
Firebrake ZB 0.5-1 part;
Polyurethane is expected 40-45 part in vain;
The white material of wherein said polyurethane refers to that the black material of Elastopor CH1141C-A, polyurethane of BASF AG refers to the black material among the M20S of BASF AG, and the molecular formula of APP is (NH 4PO 3) n, its weight average degree of polymerization n is 500-1200.
A kind of preparation method of above-mentioned superthin stone Rigid foam polyurethane may further comprise the steps:
1, the preparation of the RPUF combination material of the difficult combustion of B1 level:
A, above-mentioned expanded graphite, aluminium hydroxide, APP, Firebrake ZB, polyurethane are expected to mix in vain, stirring obtains polyurethane-modified white material I,
B, before the black material of polyurethane-modified white material I and polyurethane mixes, control two kinds of material temperature at 15-40 ℃, be under 15-40 ℃ the condition in environment temperature, polyurethane-modified white material I is poured in the black material of polyurethane fast, be under the condition of 1000-2500r/min at rotating speed, stir 10-20s, obtain the combination material
2, superthin stone and glass magnesium PLASTIC LAMINATED are positioned in the moulding form locate, be under 15-40 ℃ the condition in mold temperature, gained combination material is poured in the mould, rapidly mould is built, and pin, when control mould and environment temperature all are higher than 25 ℃ and be lower than when equaling 40 ℃, the depanning time is 15~20 minutes; When controlling mould and environment temperature all at 15-25 ℃, the depanning time is 30~40 minutes, wherein said combination material is poured the design density * RPUF layer volume of the amount=RPUF layer in the mould into, and the design density of RPUF layer is 35-80kg/m 3, the cementability during the RPUF foaming makes two joint face mutually bonding with glass magnesium fire prevention flaggy respectively at the stone material layer,
3, the sheet material of depanning is leaving standstill more than 12 hours under 15-40 ℃ the environment naturally.
The RPUF layer has stable foaming and curing reaction time in the superthin stone Rigid foam polyurethane of the present invention: rise to send out time 45-60s, a tack-free time 120-150s, hardening time 600-1200s; The fire resistance of RPUF layer is the B1 level, and stone material layer, glass magnesium PLASTIC LAMINATED be fireproof board, makes superthin stone Rigid foam polyurethane fireproof performance good.
Below in conjunction with accompanying drawing superthin stone Rigid foam polyurethane of the present invention is described further.
Description of drawings
Fig. 1 is the structural representation of superthin stone Rigid foam polyurethane of the present invention.Wherein 1 is the stone material layer, and 2 is the RPUF layer of the difficult combustion of B1 level, and 3 are glass magnesium fire prevention flaggy.
The specific embodiment
Embodiment 1
1, the preparation of the RPUF combination material of the difficult combustion of B1 level:
Be a with 0.1kg:
A. be that 150 purpose expanded graphite 0.5kg, particle diameter are that 100 purpose aluminium hydroxide 0.1kg, weight average degree of polymerization are that 500 APP 0.2kg, Firebrake ZB 0.05kg, polyurethane expect that in vain Elastopor CH1141C-A 4kg mixes with particle diameter, stir and obtain polyurethane-modified white material I
B. at polyurethane-modified white material I with before black material among the polyurethane M20S mixes, control two kinds of material temperature at 30 ℃, be under 30 ℃ the condition in environment temperature, polyurethane-modified white material I is poured in the black material of 4.85kg polyurethane fast, be under the condition of 1000r/min at rotating speed, stir 20s, obtain the combination material
2, superthin stone and glass magnesium PLASTIC LAMINATED are positioned in the moulding form by the draw-in groove location long 2400mm, wide 1200mm, thick 50mm, the density 67.4kg/m of design RPUF layer 3' be 30 ℃ with circulator bath equipment control mold temperature, gained combination material is poured in the mould, rapidly mould is built, and pin, control mould and environment temperature are 30 ℃, the depanning time is 18 minutes, cementability by RPUF foaming itself makes it to form one with stone material layer, glass magnesium fire prevention flaggy
3, the sheet material of depanning left standstill under 30 ℃ environment 15 hours naturally.
The RPUF combination material for preparing the difficult combustion of B1 level with the method for step 1, use the above-mentioned technology identical with manufacturing composite plate, use another mould to prepare the RPUF of individual layer, controlling mold temperature with circulator bath equipment is 30 ℃, gained combination material is poured in the mould, rapidly mould is built, and pinned, when 30 ℃ of control mould and environment temperatures, the depanning time is 18 minutes, and the sheet material of depanning left standstill under 30 ℃ environment 15 hours naturally.Performance parameter such as the following table of gained finished product RPUF:
Embodiment 2
1, the preparation of the RPUF combination material of the difficult combustion of B1 level:
Be a with 0.05kg:
A. be that 300 purpose expanded graphite 0.75kg, particle diameter are that 500 purpose aluminium hydroxide 0.3kg, weight average degree of polymerization are that 800 APP 0.5kg, Firebrake ZB 0.05kg, polyurethane expect that in vain Elastopor CH1141C-A 2.25kg mixes with particle diameter, stir and obtain polyurethane-modified white material I
B. at polyurethane-modified white material I with before black material among the polyurethane M20S mixes, control two kinds of material temperature at 15 ℃, be under 15 ℃ the condition in environment temperature, polyurethane-modified white material I is poured among the black material of the polyurethane 6.9kg fast, be under the condition of 2500r/min at rotating speed, stir 10s, obtain the combination material
2, superthin stone and glass magnesium PLASTIC LAMINATED are positioned in the moulding form by the draw-in groove location long 1700mm, wide 1000mm, thick 80mm, the density 79.0kg/m of design RPUF layer 3Controlling mold temperature with circulator bath equipment is 15 ℃, gained combination material is poured in the mould, rapidly mould is built, and pin, when 15 ℃ of control mould and environment temperatures, the depanning time is 40 minutes, cementability by RPUF foaming itself makes it to form one with stone material layer, glass magnesium fire prevention flaggy
3, the sheet material of depanning is leaving standstill more than 18 hours under 15 ℃ the environment naturally.
The RPUF combination material for preparing the difficult combustion of B1 level with the method for step 1, use the above-mentioned technology identical with manufacturing composite plate, use another mould to prepare the RPUF of individual layer, controlling mold temperature with circulator bath equipment is 15 ℃, gained combination material is poured in the mould, rapidly mould is built, and pinned, when 15 ℃ of control mould and environment temperatures, the depanning time is 40 minutes, and the sheet material of depanning is leaving standstill more than 18 hours under 15 ℃ the environment naturally.Performance parameter such as the following table of gained finished product RPUF:
Embodiment 3
1, the preparation of the RPUF combination material of the difficult combustion of B1 level:
Be 1 part in 1.5g:
A. be that 200 purpose expanded graphite 15g, particle diameter are that 300 purpose aluminium hydroxide 5g, weight average degree of polymerization are that 1200 APP 10.5g, Firebrake ZB 1.5g, polyurethane expect that in vain Elastopor CH1141C-A 64g mixes with particle diameter, stir and obtain polyurethane-modified white material I
B. at polyurethane-modified white material I with before black material among the polyurethane M20S mixes, control two kinds of material temperature at 40 ℃, be under 40 ℃ the condition in environment temperature, polyurethane-modified white material I is poured among the black material of the polyurethane 144g fast, be under the condition of 2000r/min at rotating speed, stir 15s, obtain the combination material
2, superthin stone and glass magnesium PLASTIC LAMINATED are positioned in the moulding form by the draw-in groove location long 750mm, wide 300mm, thick 30mm, the density 35.6kg/m of design RPUF layer 3Controlling mold temperature with circulator bath equipment is 40 ℃, gained combination material is poured in the mould, rapidly mould is built, and pin, control mould and environment temperature are 40 ℃, the depanning time is 15 minutes, cementability by RPUF foaming itself makes it to form one with stone material layer, glass magnesium fire prevention flaggy
3, the sheet material of depanning left standstill under 40 ℃ environment 12 hours naturally.
The RPUF combination material for preparing the difficult combustion of B1 level with the method for step 1, use the above-mentioned technology identical with manufacturing composite plate, use another mould to prepare the RPUF of individual layer, controlling mold temperature with circulator bath equipment is 40 ℃, gained combination material is poured in the mould, rapidly mould is built, and pinned, control mould and environment temperature are 40 ℃, the depanning time is 15 minutes, and the sheet material of depanning left standstill under 40 ℃ environment 12 hours naturally.Performance parameter such as the following table of gained finished product RPUF:
Above-described embodiment is described preferred embodiment of the present invention; be not that scope of the present invention is limited; design under the prerequisite of spirit not breaking away from the present invention; various distortion and improvement that those of ordinary skills make technical scheme of the present invention all should fall in the definite protection domain of claims of the present invention.

Claims (2)

1. a superthin stone Rigid foam polyurethane is characterized in that: be made up of RPUF layer and the glass magnesium fire prevention flaggy of stone material layer, the difficult combustion of B1 level from top to bottom; Wherein, the RPUF of the difficult combustion of B1 level is 1:(1-1.8 by mass ratio) polyurethane-modified white material and the black material of polyurethane form; Polyurethane-modified white material is made up of the following component by mass parts:
The white material of wherein said polyurethane refers to that Elastopor CH1141C-A, the black material of polyurethane refer to the black material among the M20S, and the molecular formula of APP is (NH 4PO 3) n, its weight average degree of polymerization n is 500-1200.
2. the preparation method of a superthin stone Rigid foam polyurethane as claimed in claim 1 is characterized in that may further comprise the steps:
1) preparation of the RPUF combination material of the difficult combustion of B1 level:
A, above-mentioned expanded graphite, aluminium hydroxide, APP, Firebrake ZB, polyurethane are expected to mix in vain, stirring obtains polyurethane-modified white material I,
B, before the black material of polyurethane-modified white material I and polyurethane mixes, control two kinds of material temperature at 15-40 ℃, be under 15-40 ℃ the condition in environment temperature, polyurethane-modified white material I is poured in the black material of polyurethane fast, be under the condition of 1000-2500r/min at rotating speed, stir 10-20s, obtain the combination material
2) superthin stone and glass magnesium PLASTIC LAMINATED are positioned in the moulding form locate, be under 15-40 ℃ the condition in mold temperature, gained combination material is poured in the mould, rapidly mould is built, and pin, when control mould and environment temperature all are higher than 25 ℃ and be lower than when equaling 40 ℃, the depanning time is 15~20 minutes; When controlling mould and environment temperature all at 15-25 ℃, the depanning time is 30~40 minutes, wherein said combination material is poured the design density * RPUF layer volume of the amount=RPUF layer in the mould into, and the design density of RPUF layer is 35-80kg/m 3, the cementability during the RPUF foaming makes two joint face mutually bonding with glass magnesium fire prevention flaggy respectively at the stone material layer,
3) sheet material of depanning is leaving standstill more than 12 hours under 15-40 ℃ the environment naturally.
CN 201110195086 2011-07-13 2011-07-13 Ultrathin stone polyurethane composite board and preparation method thereof Active CN102261137B (en)

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Application Number Priority Date Filing Date Title
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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102898607A (en) * 2012-09-07 2013-01-30 汤燕 Modified polyurethane rigid foam material and preparation method thereof
CN106313817A (en) * 2015-07-06 2017-01-11 马玉新 Inorganic modified polyurethane fireproof thermal-insulation board

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3916460B2 (en) * 2001-12-28 2007-05-16 ダウ化工株式会社 Architectural insulation made of polystyrene resin extruded foam
CN101302420A (en) * 2008-07-01 2008-11-12 中国核动力研究设计院 High-expansion fireproof sealant and preparation thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3916460B2 (en) * 2001-12-28 2007-05-16 ダウ化工株式会社 Architectural insulation made of polystyrene resin extruded foam
CN101302420A (en) * 2008-07-01 2008-11-12 中国核动力研究设计院 High-expansion fireproof sealant and preparation thereof

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